[Vk5-wx-sonde] new decoder

Mark Jessop vk5qi at rfhead.net
Sat Jun 23 01:28:34 PDT 2018


The horusbinary.py script will report errors if what is receives is corrupt
or invalid, but it will keep on running.
I suspect the version of netcat you have on your system may take different
arguments to what's on my machines (which is weird.. i've been testing on
Ubuntu 18.04). Try with:
nc -l -u -p 7355 localhost

(If you run this command by itself, with GQRX running and UDP output
enabled, you should see a bunch of gibberish flood your terminal - that way
you know it's working).

Your second example won't work at all. If you don't specify --stdin,
horusbinary.py expects to be receiving the binary packet data via UDP,
which it won't get from the horus_demod utility.

What are you using as a test signal source?

Cheers,
Mark

On Sat, Jun 23, 2018 at 5:47 PM, Anthony Danglmaier via Vk5-wx-sonde <
vk5-wx-sonde at vk5fo.com> wrote:

> if we run the command line the other way we get this.
>
> nc -l -u localhost 7355 | ./horus_demod -m binary - - | python
> horusbinary.py --stdin --noupload
>
>
> 2018-06-23 17:43:30,688 INFO: Hexadecimal Sentence:
> 2018-06-23 17:43:30,688 ERROR: Error parsing binary telemetry - unpack
> requires a string argument of length 22
>
> and if we run this
> $ nc -l -u localhost 7355 | ./horus_demod -m binary - - | python
> horusbinary.py --noupload
>
> we get this
>
>
> UDP listen needs -p arg
> 2018-06-23 17:46:20,767 INFO: Using User Callsign: VK5FGMH
> 2018-06-23 17:46:20,767 INFO: Using Payload Callsign: HORUSBINARY
> 2018-06-23 17:46:20,767 INFO: Started Habitat Uploader Thread.
> 2018-06-23 17:46:20,767 INFO: Opened UDP socket on port 55690.
> 2018-06-23 17:46:20,767 INFO: Started Horus Binary Uploader. Hit CTRL-C to
> exit.
>
>
> On Sat, Jun 23, 2018 at 8:08 AM, Mark Jessop via Vk5-wx-sonde <
> vk5-wx-sonde at vk5fo.com> wrote:
>
>> That command line is back-to-front. The nc -l -u localhost 7335 part
>> should be at the start, i.e.:
>>
>> $ nc -l -u localhost 7355 | ./horus_demod -m binary - - | python
>> horusbinary.py --stdin
>>
>> If you run `git pull`, I've added in two helper scripts, start_gqrx_rx.sh
>> and start_soundcard_rx.sh which you can run.
>>
>> (Note that if you've changed user.cfg, the 'git pull' command may barf.
>> In this case, you may need to run 'git stash', then 'git pull', and then
>> re-edit the config file.)
>>
>> Cheers,
>> Mark
>>
>> On Sat, Jun 23, 2018 at 5:27 PM, Anthony Danglmaier via Vk5-wx-sonde <
>> vk5-wx-sonde at vk5fo.com> wrote:
>>
>>> I can get the command line version running but it has a extra line
>>> regarding UDP
>>>
>>> tony at mx1:~/horusbinary
>>> $ ./horus_demod -m RTTY - - | python horusbinary.py --stdin --noupload |
>>> nc -l -u localhost 7335
>>> UDP listen needs -p arg
>>> 2018-06-23 17:25:04,964 INFO: Using User Callsign: VK5FGMH
>>> 2018-06-23 17:25:04,964 INFO: Using Payload Callsign: HORUSBINARY
>>> 2018-06-23 17:25:04,965 INFO: Started Habitat Uploader Thread.
>>> 2018-06-23 17:25:04,965 INFO: Waiting for data on stdin.
>>> 2018-06-23 17:25:04,965 INFO: Started Horus Binary Uploader. Hit CTRL-C
>>> to exit.
>>>
>>> On Sat, Jun 23, 2018 at 7:04 AM, Mark Jessop via Vk5-wx-sonde <
>>> vk5-wx-sonde at vk5fo.com> wrote:
>>>
>>>> The additions needed are not in the latest FreeDV debian/ubuntu
>>>> package. They won't be there for quite some time.
>>>> Remember, the additions that make the Horus Binary decoding possible
>>>> were only added in last weekend, and only finalised mid-last-week! This is
>>>> all very very new!
>>>>
>>>> Realistically your best bet at this point is to compile FreeDV-Dev from
>>>> source. There are instructions on how to do this here:
>>>> https://svn.code.sf.net/p/freetel/code/freedv-dev/README.txt
>>>>
>>>> Alternatively, you can just use the command-line version using output
>>>> from GQRX: https://github.com/projecthorus/horusbinary#demodulating-usi
>>>> ng-gqrx
>>>>
>>>> I'm currently working on a guide to getting things running under
>>>> Windows (for which we have installers), but the actual operation part will
>>>> be applicable to Linux too.
>>>>
>>>> Cheers,
>>>> Mark VK5QI
>>>>
>>>>
>>>> On Sat, Jun 23, 2018 at 4:28 PM, Steve via Vk5-wx-sonde <
>>>> vk5-wx-sonde at vk5fo.com> wrote:
>>>>
>>>>>  no luck getting this going
>>>>>
>>>>> slill using lubuntu 17.10
>>>>>
>>>>> cant install latest freedv due to dependency issues
>>>>> freedv wont go in coz it wants libc6 >= 2.27
>>>>> libcodec2-0.8 wont go in coz it wants libc6 >= 2.27
>>>>>  libc6_2.27.-3_amd64.deb   wont install ????
>>>>> package just hangs with no complaints, but does nothing
>>>>>
>>>>> may have to force the upgrade to 18.04 on the weekend
>>>>>
>>>>>
>>>>> There will be a re-programmed RS41 going up on the AREG/Horus launch
>>>>> on the 30th of June.
>>>>> It'll be running the 'Horus Binary' 4FSK modem. At the moment we only
>>>>> have a linux-based demodulator for this, information on which is here:
>>>>>
>>>>> Tried following the instructions on my main box , l   , now wx-sonde
>>>>> decoder not working anymore as well :(
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Using Opera's mail client: http://www.opera.com/mail/
>>>>>
>>>>> _______________________________________________
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>>>>> Vk5-wx-sonde at vk5fo.com
>>>>> http://mail.vk5fo.com/mailman/listinfo/vk5-wx-sonde_vk5fo.com
>>>>>
>>>>
>>>>
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